How to make a simple solar cooker to understand the use of solar energy

How to make a simple solar cooker to understand the use of solar energy
  Saurav Chakraborty
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A solar cooker is a device which is used to cook food directly under sun light without using Gas, LPG or electricity. It's a clean process of outdoor cooking. There are two types of cooker, box type and parabolic type. The later one is more efficient. We

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